/*
 This file is part of the BlueJ program. 
 Copyright (C) 1999-2009  Michael Kolling and John Rosenberg 
 
 This program is free software; you can redistribute it and/or 
 modify it under the terms of the GNU General Public License 
 as published by the Free Software Foundation; either version 2 
 of the License, or (at your option) any later version. 
 
 This program is distributed in the hope that it will be useful, 
 but WITHOUT ANY WARRANTY; without even the implied warranty of 
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
 GNU General Public License for more details. 
 
 You should have received a copy of the GNU General Public License 
 along with this program; if not, write to the Free Software 
 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA. 
 
 This file is subject to the Classpath exception as provided in the  
 LICENSE.txt file that accompanied this code.
 */
package bluej.debugger.jdi;

import javax.swing.tree.DefaultMutableTreeNode;

import com.sun.jdi.*;

class JdiThreadNode extends DefaultMutableTreeNode
{
	public JdiThreadNode()
	{
	}
	
	public JdiThreadNode(ThreadGroupReference tgr)
	{
		setUserObject(tgr);
	}
	
	public JdiThreadNode(JdiThread jt)
	{
		setUserObject(jt);	
	}

	public boolean getAllowsChildren()
	{
		return (getUserObject() == null) || (getUserObject() instanceof ThreadGroupReference);
	}

	public String toString()
	{
		if (getUserObject() != null) {
			try {
				return getUserObject().toString();
			}
			catch (ObjectCollectedException oce) {
				return "collected";
			}
		}

		return "All Threads";
	}
}
